scratchfoundation/scratch-paint
1
0
Fork 0
mirror of https://github.com/scratchfoundation/scratch-paint.git synced 2024-12-23 14:02:50 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

Anti-anti-alias

Browse source
This commit is contained in:
DD 2018-04-10 19:06:47 -04:00
parent a74e5882cd
commit a4045df526
1 changed files with 30 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

30
src/containers/paper-canvas.jsx
View file

@ -11,7 +11,7 @@ import {trim} from '../helper/bitmap';
import {performSnapshot} from '../helper/undo'; import {performSnapshot} from '../helper/undo';
import {undoSnapshot, clearUndoState} from '../reducers/undo'; import {undoSnapshot, clearUndoState} from '../reducers/undo';
import {isGroup, ungroupItems} from '../helper/group'; import {isGroup, ungroupItems} from '../helper/group';
import {clearRaster, getRaster, setupLayers} from '../helper/layer'; import {clearRaster, getRaster, setupLayers, hideGuideLayers, showGuideLayers} from '../helper/layer';
import {deleteSelection, getSelectedLeafItems} from '../helper/selection'; import {deleteSelection, getSelectedLeafItems} from '../helper/selection';
import {clearSelectedItems, setSelectedItems} from '../reducers/selected-items'; import {clearSelectedItems, setSelectedItems} from '../reducers/selected-items';
import {pan, resetZoom, zoomOnFixedPoint} from '../helper/view'; import {pan, resetZoom, zoomOnFixedPoint} from '../helper/view';
@ -82,14 +82,36 @@ class PaperCanvas extends React.Component {
} }
} }
convertToBitmap () { convertToBitmap () {
this.props.clearSelectedItems(); // @todo if the active layer contains only rasters, drawing them directly to the raster layer
const raster = paper.project.activeLayer.rasterize(72, false /* insert */); // would be more efficient.
// Export svg
const guideLayers = hideGuideLayers(true /* includeRaster */);
const bounds = paper.project.activeLayer.bounds;
const svg = paper.project.exportSVG({
bounds: 'content',
matrix: new paper.Matrix().translate(-bounds.x, -bounds.y)
});
showGuideLayers(guideLayers);
// Get rid of anti-aliasing
// @todo get crisp text?
svg.setAttribute('shape-rendering', 'optimizeSpeed');
const svgString = (new XMLSerializer()).serializeToString(svg);
// Put anti-aliased SVG into image, and dump image back into canvas
const img = new Image();
img.onload = function () {
const raster = new paper.Raster(img);
raster.onLoad = function () { raster.onLoad = function () {
const subCanvas = raster.canvas; const subCanvas = raster.canvas;
getRaster().drawImage(subCanvas, raster.bounds.topLeft); getRaster().drawImage(
subCanvas,
new paper.Point(Math.floor(bounds.topLeft.x), Math.floor(bounds.topLeft.y)));
paper.project.activeLayer.removeChildren(); paper.project.activeLayer.removeChildren();
this.props.onUpdateSvg(); this.props.onUpdateSvg();
}.bind(this); }.bind(this);
}.bind(this);
img.src = `data:image/svg+xml;charset=utf-8,${svgString}`;
} }
convertToVector () { convertToVector () {
this.props.clearSelectedItems(); this.props.clearSelectedItems();